./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:53:02,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:53:02,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:53:02,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:53:02,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:53:02,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:53:02,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:53:02,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:53:02,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:53:02,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:53:02,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:53:02,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:53:02,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:53:02,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:53:02,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:53:02,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:53:02,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:53:02,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:53:02,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:53:02,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:53:02,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:53:02,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:53:02,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:53:02,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:53:02,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:53:02,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:53:02,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:53:02,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:53:02,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:53:02,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:53:02,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:53:02,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:53:02,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:53:02,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:53:02,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:53:02,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:53:02,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:53:02,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:53:02,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:53:02,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:53:02,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:53:02,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:53:02,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:53:02,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:53:02,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:53:02,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:53:02,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:53:02,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:53:02,583 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:53:02,584 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:53:02,584 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:53:02,584 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:53:02,585 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:53:02,585 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:53:02,585 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:53:02,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:53:02,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:53:02,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:53:02,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:53:02,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:53:02,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:53:02,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:53:02,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:53:02,588 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:53:02,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:53:02,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:53:02,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:53:02,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:53:02,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:53:02,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:53:02,591 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:53:02,591 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520 [2022-11-16 12:53:02,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:53:02,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:53:02,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:53:02,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:53:02,941 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:53:02,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-11-16 12:53:03,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/data/b4e90cc5e/9588c0df879c44e7a0b419d9284a1fb2/FLAGc6335bfb8 [2022-11-16 12:53:03,593 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:53:03,594 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-11-16 12:53:03,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/data/b4e90cc5e/9588c0df879c44e7a0b419d9284a1fb2/FLAGc6335bfb8 [2022-11-16 12:53:03,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/data/b4e90cc5e/9588c0df879c44e7a0b419d9284a1fb2 [2022-11-16 12:53:03,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:53:03,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:53:03,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:53:03,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:53:03,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:53:03,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:53:03" (1/1) ... [2022-11-16 12:53:03,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ff6234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:03, skipping insertion in model container [2022-11-16 12:53:03,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:53:03" (1/1) ... [2022-11-16 12:53:03,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:53:03,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:53:04,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:53:04,415 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:53:04,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:53:04,512 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:53:04,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04 WrapperNode [2022-11-16 12:53:04,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:53:04,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:53:04,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:53:04,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:53:04,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,557 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-16 12:53:04,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:53:04,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:53:04,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:53:04,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:53:04,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:53:04,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:53:04,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:53:04,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:53:04,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (1/1) ... [2022-11-16 12:53:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:04,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:04,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:53:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:53:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:53:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:53:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:53:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:53:04,798 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:53:04,800 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:53:04,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:53:04,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:53:05,009 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:53:05,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:53:05 BoogieIcfgContainer [2022-11-16 12:53:05,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:53:05,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:53:05,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:53:05,018 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:53:05,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:53:05,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:53:03" (1/3) ... [2022-11-16 12:53:05,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@391d12f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:53:05, skipping insertion in model container [2022-11-16 12:53:05,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:53:05,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:53:04" (2/3) ... [2022-11-16 12:53:05,022 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@391d12f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:53:05, skipping insertion in model container [2022-11-16 12:53:05,022 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:53:05,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:53:05" (3/3) ... [2022-11-16 12:53:05,024 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2022-11-16 12:53:05,088 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:53:05,089 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:53:05,089 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:53:05,089 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:53:05,089 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:53:05,090 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:53:05,090 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:53:05,105 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:53:05,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:05,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:53:05,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:05,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:05,136 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:53:05,136 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:53:05,136 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:53:05,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:05,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 12:53:05,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:05,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:05,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:53:05,139 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:53:05,147 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 12#L558true assume !(main_~array_size~0#1 < 1); 7#L558-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 14#L562-3true [2022-11-16 12:53:05,148 INFO L750 eck$LassoCheckResult]: Loop: 14#L562-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 16#L562-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 14#L562-3true [2022-11-16 12:53:05,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-16 12:53:05,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:05,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721348988] [2022-11-16 12:53:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:05,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:05,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-16 12:53:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:05,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718504487] [2022-11-16 12:53:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-16 12:53:05,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:05,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813633970] [2022-11-16 12:53:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:05,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:05,775 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:53:05,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:53:05,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:53:05,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:53:05,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:53:05,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:05,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:53:05,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:53:05,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration1_Lasso [2022-11-16 12:53:05,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:53:05,780 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:53:05,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:05,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:05,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:05,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:05,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:06,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:06,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:06,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:06,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:06,417 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:53:06,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:53:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:53:06,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:06,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:06,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:06,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:53:06,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:53:06,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:06,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:06,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:06,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:53:06,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:53:06,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:06,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:06,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:06,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:53:06,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:53:06,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,812 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:53:06,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:53:06,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:06,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:06,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:06,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:06,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:06,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:06,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:06,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:53:06,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:06,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:06,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:06,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:06,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:06,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:06,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:06,953 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:53:07,035 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 12:53:07,035 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-16 12:53:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:07,046 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:07,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:53:07,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:53:07,084 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:53:07,085 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:53:07,085 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1) = -4*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0#1.offset >= 0] [2022-11-16 12:53:07,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:07,119 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 12:53:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:53:07,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:53:07,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:07,335 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:53:07,338 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,433 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 53 transitions. Complement of second has 8 states. [2022-11-16 12:53:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-11-16 12:53:07,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:53:07,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:07,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 12:53:07,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:07,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-16 12:53:07,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:07,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2022-11-16 12:53:07,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:53:07,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 18 transitions. [2022-11-16 12:53:07,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:53:07,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:53:07,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-16 12:53:07,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:07,466 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 12:53:07,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-16 12:53:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 12:53:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-16 12:53:07,491 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 12:53:07,491 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 12:53:07,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:53:07,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-16 12:53:07,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:53:07,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:07,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:07,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:53:07,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:07,493 INFO L748 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 123#L558 assume !(main_~array_size~0#1 < 1); 124#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 127#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 117#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 118#L550-3 [2022-11-16 12:53:07,494 INFO L750 eck$LassoCheckResult]: Loop: 118#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 122#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 125#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 118#L550-3 [2022-11-16 12:53:07,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-16 12:53:07,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:07,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070457017] [2022-11-16 12:53:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:07,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070457017] [2022-11-16 12:53:07,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070457017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:07,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:07,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:53:07,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654636440] [2022-11-16 12:53:07,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:07,667 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:53:07,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,668 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-11-16 12:53:07,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:07,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860433931] [2022-11-16 12:53:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:07,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:07,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860433931] [2022-11-16 12:53:07,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860433931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:07,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:07,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:53:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566792992] [2022-11-16 12:53:07,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:07,694 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:53:07,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:53:07,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:53:07,699 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:07,718 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-11-16 12:53:07,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-11-16 12:53:07,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:07,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2022-11-16 12:53:07,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:53:07,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:53:07,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-16 12:53:07,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:07,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 12:53:07,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-16 12:53:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-16 12:53:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-16 12:53:07,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 12:53:07,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:53:07,729 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 12:53:07,730 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:53:07,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-16 12:53:07,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:07,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:07,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:07,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:53:07,733 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:53:07,733 INFO L748 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 158#L558 assume !(main_~array_size~0#1 < 1); 159#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 162#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 152#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 153#L550-3 [2022-11-16 12:53:07,734 INFO L750 eck$LassoCheckResult]: Loop: 153#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 160#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 161#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 156#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 157#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 165#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 153#L550-3 [2022-11-16 12:53:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2022-11-16 12:53:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:07,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423751956] [2022-11-16 12:53:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:07,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:07,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423751956] [2022-11-16 12:53:07,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423751956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:07,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:07,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:53:07,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529329655] [2022-11-16 12:53:07,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:07,834 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:53:07,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 1 times [2022-11-16 12:53:07,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:07,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594084096] [2022-11-16 12:53:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:07,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:07,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:08,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-16 12:53:08,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:08,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:53:08,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:53:08,059 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:08,094 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-16 12:53:08,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-16 12:53:08,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:08,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-16 12:53:08,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:53:08,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:53:08,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-16 12:53:08,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:08,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 12:53:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-16 12:53:08,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-16 12:53:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-16 12:53:08,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-16 12:53:08,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:53:08,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-16 12:53:08,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:53:08,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-16 12:53:08,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:08,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:08,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:08,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:08,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:53:08,109 INFO L748 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 194#L558 assume !(main_~array_size~0#1 < 1); 195#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 198#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 199#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 200#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 188#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 189#L550-3 [2022-11-16 12:53:08,109 INFO L750 eck$LassoCheckResult]: Loop: 189#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 196#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 197#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 192#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 193#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 201#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 189#L550-3 [2022-11-16 12:53:08,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-16 12:53:08,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950805223] [2022-11-16 12:53:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:08,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 2 times [2022-11-16 12:53:08,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262983168] [2022-11-16 12:53:08,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:08,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,204 INFO L85 PathProgramCache]: Analyzing trace with hash -256077176, now seen corresponding path program 1 times [2022-11-16 12:53:08,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452029729] [2022-11-16 12:53:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:08,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:08,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452029729] [2022-11-16 12:53:08,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452029729] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:53:08,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242317293] [2022-11-16 12:53:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:53:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:08,448 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:53:08,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 12:53:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:08,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:53:08,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:08,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:53:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:08,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242317293] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:53:08,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:53:08,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2022-11-16 12:53:08,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994708825] [2022-11-16 12:53:08,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:53:08,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:08,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:53:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:53:08,777 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:08,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:08,893 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-16 12:53:08,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-16 12:53:08,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:08,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2022-11-16 12:53:08,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:53:08,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 12:53:08,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2022-11-16 12:53:08,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:08,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 12:53:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2022-11-16 12:53:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-16 12:53:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-16 12:53:08,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-16 12:53:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:53:08,902 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-16 12:53:08,902 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:53:08,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-16 12:53:08,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-16 12:53:08,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:08,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:08,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:08,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:53:08,906 INFO L748 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 332#L558 assume !(main_~array_size~0#1 < 1); 333#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 336#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 337#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 338#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 339#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 341#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 326#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 327#L550-3 [2022-11-16 12:53:08,906 INFO L750 eck$LassoCheckResult]: Loop: 327#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 334#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 335#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 330#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 331#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 340#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 327#L550-3 [2022-11-16 12:53:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2022-11-16 12:53:08,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220349143] [2022-11-16 12:53:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:08,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 3 times [2022-11-16 12:53:08,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259838008] [2022-11-16 12:53:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:08,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1808202986, now seen corresponding path program 2 times [2022-11-16 12:53:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35172630] [2022-11-16 12:53:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:08,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:09,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:09,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:09,665 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:53:09,665 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:53:09,665 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:53:09,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:53:09,665 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:53:09,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:09,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:53:09,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:53:09,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration5_Lasso [2022-11-16 12:53:09,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:53:09,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:53:09,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,030 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:10,536 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:53:10,537 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:53:10,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:10,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:10,546 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:10,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:53:10,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:10,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:10,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:10,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:10,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:10,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:10,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:10,622 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:53:10,659 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:53:10,660 INFO L444 ModelExtractionUtils]: 23 out of 40 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-16 12:53:10,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:10,664 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:10,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:53:10,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:53:10,692 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:53:10,692 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:53:10,693 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-16 12:53:10,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:10,719 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 12:53:10,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:10,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:53:10,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:53:10,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:10,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:10,882 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:53:10,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:10,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 28 transitions. Complement of second has 4 states. [2022-11-16 12:53:10,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-11-16 12:53:10,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-16 12:53:10,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:10,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-16 12:53:10,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:10,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 12 letters. [2022-11-16 12:53:10,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:10,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-11-16 12:53:10,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:10,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2022-11-16 12:53:10,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:53:10,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 12:53:10,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-16 12:53:10,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:10,917 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-16 12:53:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-16 12:53:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-11-16 12:53:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-16 12:53:10,921 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 12:53:10,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 12:53:10,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:53:10,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-16 12:53:10,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:10,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:10,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:10,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:10,923 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:10,924 INFO L748 eck$LassoCheckResult]: Stem: 457#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 463#L558 assume !(main_~array_size~0#1 < 1); 464#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 469#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 470#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 471#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 472#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 474#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 455#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 456#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 460#L551-3 [2022-11-16 12:53:10,924 INFO L750 eck$LassoCheckResult]: Loop: 460#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 465#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 459#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 460#L551-3 [2022-11-16 12:53:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2022-11-16 12:53:10,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:10,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837126372] [2022-11-16 12:53:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:10,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:10,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-11-16 12:53:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093848338] [2022-11-16 12:53:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:10,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:10,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:10,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:10,980 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2022-11-16 12:53:10,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:10,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785345595] [2022-11-16 12:53:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:11,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:11,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:11,580 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:53:11,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:53:11,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:53:11,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:53:11,580 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:53:11,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:11,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:53:11,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:53:11,580 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration6_Lasso [2022-11-16 12:53:11,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:53:11,581 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:53:11,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:11,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:12,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:53:12,589 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:53:12,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,595 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:53:12,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:12,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,637 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:53:12,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:12,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:12,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:12,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,688 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:53:12,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:12,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,743 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:53:12,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:12,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:12,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:12,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,794 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:53:12,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:12,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:12,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:12,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,843 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:12,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:53:12,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,892 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:12,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:53:12,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,932 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:53:12,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:12,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:12,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:12,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:12,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:12,977 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:12,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:12,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:12,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:12,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:12,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:12,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:53:12,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:12,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:13,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:13,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:13,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:13,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:13,041 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:13,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:13,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:53:13,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:13,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:13,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:13,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:13,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:13,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:13,097 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:53:13,149 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 12:53:13,149 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. [2022-11-16 12:53:13,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:13,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:13,150 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:13,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:53:13,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:53:13,187 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:53:13,187 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:53:13,187 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2) = -4*ULTIMATE.start_sort_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2 Supporting invariants [1*ULTIMATE.start_sort_~x#1.offset >= 0] [2022-11-16 12:53:13,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:13,220 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-16 12:53:13,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:13,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:53:13,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:13,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:53:13,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:13,387 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 12:53:13,388 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:13,457 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 50 transitions. Complement of second has 9 states. [2022-11-16 12:53:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-16 12:53:13,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-16 12:53:13,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:13,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-16 12:53:13,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:13,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-16 12:53:13,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:13,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2022-11-16 12:53:13,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:13,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 34 transitions. [2022-11-16 12:53:13,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:53:13,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:53:13,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-11-16 12:53:13,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:13,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-11-16 12:53:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-11-16 12:53:13,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2022-11-16 12:53:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-16 12:53:13,474 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-16 12:53:13,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-16 12:53:13,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:53:13,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-16 12:53:13,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:13,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:13,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:13,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:13,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:13,481 INFO L748 eck$LassoCheckResult]: Stem: 621#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 627#L558 assume !(main_~array_size~0#1 < 1); 628#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 633#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 634#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 635#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 636#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 638#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 619#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 620#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 630#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 631#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 625#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 626#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 637#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 632#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 624#L551-3 [2022-11-16 12:53:13,482 INFO L750 eck$LassoCheckResult]: Loop: 624#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 629#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 623#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 624#L551-3 [2022-11-16 12:53:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:13,482 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2022-11-16 12:53:13,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:13,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814835895] [2022-11-16 12:53:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:13,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:13,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:13,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814835895] [2022-11-16 12:53:13,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814835895] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:53:13,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172106972] [2022-11-16 12:53:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:13,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:53:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:13,631 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:53:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-16 12:53:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:13,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:53:13,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:13,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:53:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:13,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172106972] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:53:13,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:53:13,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-16 12:53:13,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250728861] [2022-11-16 12:53:13,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:53:13,874 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:53:13,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-11-16 12:53:13,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:13,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386257026] [2022-11-16 12:53:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:13,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:13,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:13,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:13,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:14,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:14,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:53:14,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:53:14,014 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:14,122 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-16 12:53:14,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-16 12:53:14,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:14,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 28 transitions. [2022-11-16 12:53:14,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 12:53:14,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 12:53:14,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-16 12:53:14,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:14,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-16 12:53:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-16 12:53:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-16 12:53:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-16 12:53:14,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 12:53:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:53:14,128 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 12:53:14,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:53:14,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-16 12:53:14,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:14,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:14,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:14,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:14,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:14,130 INFO L748 eck$LassoCheckResult]: Stem: 789#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 795#L558 assume !(main_~array_size~0#1 < 1); 796#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 801#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 802#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 803#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 804#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 806#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 808#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 807#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 787#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 788#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 798#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 799#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 793#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 794#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 805#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 800#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 792#L551-3 [2022-11-16 12:53:14,130 INFO L750 eck$LassoCheckResult]: Loop: 792#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 797#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 791#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 792#L551-3 [2022-11-16 12:53:14,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2022-11-16 12:53:14,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:14,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575881291] [2022-11-16 12:53:14,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:14,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:14,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575881291] [2022-11-16 12:53:14,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575881291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:53:14,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986565733] [2022-11-16 12:53:14,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:53:14,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:53:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:14,299 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:53:14,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-16 12:53:14,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:53:14,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:53:14,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:53:14,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 12:53:14,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:53:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 12:53:14,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986565733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:53:14,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:53:14,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2022-11-16 12:53:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863646899] [2022-11-16 12:53:14,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:53:14,488 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:53:14,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:14,489 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2022-11-16 12:53:14,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:14,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075971621] [2022-11-16 12:53:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:14,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:14,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 12:53:14,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:53:14,606 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:14,912 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-16 12:53:14,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-16 12:53:14,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:14,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 56 transitions. [2022-11-16 12:53:14,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-16 12:53:14,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 12:53:14,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 56 transitions. [2022-11-16 12:53:14,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:14,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-11-16 12:53:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 56 transitions. [2022-11-16 12:53:14,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2022-11-16 12:53:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-16 12:53:14,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 12:53:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 12:53:14,916 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 12:53:14,917 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 12:53:14,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-16 12:53:14,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:14,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:14,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:14,918 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:14,918 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:14,918 INFO L748 eck$LassoCheckResult]: Stem: 1005#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1006#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1011#L558 assume !(main_~array_size~0#1 < 1); 1012#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1017#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1018#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1019#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1020#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1023#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1025#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1024#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1003#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1004#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1015#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1027#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1009#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1010#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1014#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1022#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1026#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1021#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1016#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1008#L551-3 [2022-11-16 12:53:14,918 INFO L750 eck$LassoCheckResult]: Loop: 1008#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1013#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1007#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1008#L551-3 [2022-11-16 12:53:14,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:14,919 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2022-11-16 12:53:14,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:14,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519493157] [2022-11-16 12:53:14,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:14,949 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2022-11-16 12:53:14,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:14,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468860420] [2022-11-16 12:53:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:14,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:14,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 1 times [2022-11-16 12:53:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:14,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912710540] [2022-11-16 12:53:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:14,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:53:15,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:15,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912710540] [2022-11-16 12:53:15,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912710540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:53:15,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355982646] [2022-11-16 12:53:15,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:15,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:53:15,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:15,750 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:53:15,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-16 12:53:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:15,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:53:15,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:16,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 12:53:16,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 10 [2022-11-16 12:53:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 12:53:16,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:53:16,172 INFO L321 Elim1Store]: treesize reduction 15, result has 65.1 percent of original size [2022-11-16 12:53:16,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 34 [2022-11-16 12:53:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 12:53:16,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355982646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:53:16,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:53:16,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 7] total 21 [2022-11-16 12:53:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853328334] [2022-11-16 12:53:16,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:53:16,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:16,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-16 12:53:16,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:53:16,331 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 21 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:16,651 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-16 12:53:16,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-16 12:53:16,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 12:53:16,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2022-11-16 12:53:16,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-16 12:53:16,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-16 12:53:16,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2022-11-16 12:53:16,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:16,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2022-11-16 12:53:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2022-11-16 12:53:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-11-16 12:53:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-11-16 12:53:16,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-16 12:53:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:53:16,659 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-16 12:53:16,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 12:53:16,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2022-11-16 12:53:16,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:16,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:16,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:16,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:16,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:16,661 INFO L748 eck$LassoCheckResult]: Stem: 1262#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1263#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1268#L558 assume !(main_~array_size~0#1 < 1); 1269#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1276#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1277#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1278#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1279#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1287#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1286#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1285#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1260#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1261#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1272#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1291#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1266#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1267#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1271#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1281#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1290#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1283#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1284#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1265#L551-3 [2022-11-16 12:53:16,661 INFO L750 eck$LassoCheckResult]: Loop: 1265#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1270#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1264#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1265#L551-3 [2022-11-16 12:53:16,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:16,662 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 2 times [2022-11-16 12:53:16,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:16,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376194486] [2022-11-16 12:53:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:16,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2022-11-16 12:53:16,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:16,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161328788] [2022-11-16 12:53:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:16,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:16,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 3 times [2022-11-16 12:53:16,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:16,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480856761] [2022-11-16 12:53:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:16,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:18,547 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:53:18,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:53:18,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:53:18,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:53:18,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:53:18,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:18,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:53:18,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:53:18,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration10_Lasso [2022-11-16 12:53:18,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:53:18,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:53:18,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:18,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:19,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:20,165 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:53:20,165 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:53:20,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,174 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:53:20,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:20,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:20,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:20,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,220 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:53:20,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:20,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:20,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,276 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:53:20,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:20,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:20,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:20,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,327 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:53:20,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:20,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:20,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,371 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:20,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:20,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:53:20,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,412 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:53:20,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:20,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:20,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:20,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-16 12:53:20,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,433 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:53:20,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:20,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:20,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:20,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-16 12:53:20,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,470 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:53:20,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:20,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:20,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-16 12:53:20,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,500 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:53:20,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:20,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:20,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:20,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,545 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:53:20,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:20,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:20,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:20,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:20,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:20,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:20,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:20,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:53:20,700 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-16 12:53:20,700 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-11-16 12:53:20,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:20,705 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:20,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:53:20,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:53:20,731 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 12:53:20,731 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:53:20,731 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~x#1.offset) = -4*ULTIMATE.start_sort_~i~0#1 - 1*ULTIMATE.start_sort_~x#1.offset + 27670116110564327411 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_3 + 9223372036854775806*ULTIMATE.start_main_~i~1#1 >= 0] [2022-11-16 12:53:20,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:20,815 INFO L156 tatePredicateManager]: 12 out of 15 supporting invariants were superfluous and have been removed [2022-11-16 12:53:20,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:20,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:53:20,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:20,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 12:53:21,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:21,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:53:21,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:21,243 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:53:21,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:21,427 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 85 transitions. Complement of second has 13 states. [2022-11-16 12:53:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:53:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-16 12:53:21,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 12:53:21,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:21,430 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:53:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:21,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:53:21,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:21,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 12:53:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:21,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:53:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:21,834 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:53:21,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:21,996 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 85 transitions. Complement of second has 13 states. [2022-11-16 12:53:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:53:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-16 12:53:21,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 12:53:21,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:21,998 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:53:22,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:22,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 12:53:22,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:22,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 12:53:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:22,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:53:22,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:22,405 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 12:53:22,406 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:22,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 104 transitions. Complement of second has 12 states. [2022-11-16 12:53:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 12:53:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2022-11-16 12:53:22,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 12:53:22,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:22,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-16 12:53:22,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:22,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-16 12:53:22,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:22,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 104 transitions. [2022-11-16 12:53:22,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:22,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 39 states and 49 transitions. [2022-11-16 12:53:22,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 12:53:22,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 12:53:22,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2022-11-16 12:53:22,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:22,597 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-16 12:53:22,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2022-11-16 12:53:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-16 12:53:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-11-16 12:53:22,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-16 12:53:22,599 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-16 12:53:22,600 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-16 12:53:22,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2022-11-16 12:53:22,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:22,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:22,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:22,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:22,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:22,601 INFO L748 eck$LassoCheckResult]: Stem: 1893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1899#L558 assume !(main_~array_size~0#1 < 1); 1900#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1904#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1907#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1908#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1909#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1918#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1917#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1915#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1914#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1913#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1891#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1892#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1905#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1926#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1897#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1898#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1924#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1922#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1920#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1919#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1906#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1896#L551-3 [2022-11-16 12:53:22,602 INFO L750 eck$LassoCheckResult]: Loop: 1896#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1901#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1895#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1896#L551-3 [2022-11-16 12:53:22,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:22,602 INFO L85 PathProgramCache]: Analyzing trace with hash -519847354, now seen corresponding path program 4 times [2022-11-16 12:53:22,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:22,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748292823] [2022-11-16 12:53:22,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:22,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:22,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748292823] [2022-11-16 12:53:22,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748292823] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:53:22,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965465235] [2022-11-16 12:53:22,872 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 12:53:22,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:53:22,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:22,874 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:53:22,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-16 12:53:22,982 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 12:53:22,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:53:22,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 12:53:22,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:23,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:53:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:23,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965465235] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:53:23,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:53:23,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2022-11-16 12:53:23,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554580886] [2022-11-16 12:53:23,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:53:23,241 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:53:23,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2022-11-16 12:53:23,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:23,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980274340] [2022-11-16 12:53:23,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:23,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:23,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 12:53:23,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:53:23,369 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 12 Second operand has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:53:23,644 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2022-11-16 12:53:23,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 75 transitions. [2022-11-16 12:53:23,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:23,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 75 transitions. [2022-11-16 12:53:23,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 12:53:23,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 12:53:23,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 75 transitions. [2022-11-16 12:53:23,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:53:23,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-16 12:53:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 75 transitions. [2022-11-16 12:53:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-11-16 12:53:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-16 12:53:23,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-16 12:53:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:53:23,651 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-16 12:53:23,652 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-16 12:53:23,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 54 transitions. [2022-11-16 12:53:23,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:53:23,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:53:23,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:53:23,656 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:53:23,656 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:53:23,657 INFO L748 eck$LassoCheckResult]: Stem: 2162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2168#L558 assume !(main_~array_size~0#1 < 1); 2169#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2172#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2176#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2177#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2178#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2190#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2188#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2185#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2183#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2182#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2160#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 2161#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2173#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2201#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2200#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2199#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2198#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2197#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2196#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2192#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2194#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2191#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 2181#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 2174#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2165#L551-3 [2022-11-16 12:53:23,657 INFO L750 eck$LassoCheckResult]: Loop: 2165#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2170#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2164#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2165#L551-3 [2022-11-16 12:53:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash 931747541, now seen corresponding path program 5 times [2022-11-16 12:53:23,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:23,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045924433] [2022-11-16 12:53:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:23,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:23,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:23,706 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2022-11-16 12:53:23,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:23,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371158097] [2022-11-16 12:53:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:23,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:23,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash -682601290, now seen corresponding path program 6 times [2022-11-16 12:53:23,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937658735] [2022-11-16 12:53:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:53:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:53:23,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:53:26,428 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:53:26,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:53:26,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:53:26,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:53:26,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:53:26,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:26,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:53:26,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:53:26,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration12_Lasso [2022-11-16 12:53:26,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:53:26,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:53:26,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,450 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:26,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:53:27,842 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:53:27,842 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:53:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:27,846 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:27,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:27,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:53:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:27,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:27,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:27,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:27,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:27,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:27,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:27,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:27,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:27,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:27,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:27,882 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:53:27,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:27,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:27,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:27,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:27,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:27,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:27,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:27,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:27,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:27,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:27,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:27,924 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:53:27,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:27,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:27,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:27,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:27,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:27,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:27,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:27,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:27,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:27,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:27,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:27,976 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:27,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:27,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:27,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:27,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:27,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:27,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:53:27,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:27,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:27,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:28,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:28,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,008 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:53:28,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:28,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:28,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:28,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:28,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:28,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:28,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:28,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:28,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:28,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,058 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:53:28,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:28,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:28,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:28,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:28,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:28,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:28,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:28,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:28,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:28,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 12:53:28,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,079 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:53:28,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:28,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:28,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:28,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:28,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:28,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:28,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:28,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:28,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:28,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-16 12:53:28,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,100 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:53:28,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:28,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:28,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:53:28,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:28,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:28,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:28,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:53:28,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:53:28,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:53:28,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-16 12:53:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,119 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:53:28,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:53:28,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:53:28,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:53:28,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:53:28,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:53:28,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:53:28,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:53:28,169 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:53:28,361 INFO L443 ModelExtractionUtils]: Simplification made 39 calls to the SMT solver. [2022-11-16 12:53:28,361 INFO L444 ModelExtractionUtils]: 6 out of 43 variables were initially zero. Simplification set additionally 33 variables to zero. [2022-11-16 12:53:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:53:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:53:28,362 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:53:28,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:53:28,365 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:53:28,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:53:28,377 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:53:28,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = -1*ULTIMATE.start_sort_~i~0#1 + 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-16 12:53:28,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:28,413 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-16 12:53:28,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:28,541 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:53:28,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 90 transitions. Complement of second has 7 states. [2022-11-16 12:53:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 12:53:28,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 12:53:28,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:28,578 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:53:28,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:28,723 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:53:28,723 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,750 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 90 transitions. Complement of second has 7 states. [2022-11-16 12:53:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 12:53:28,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 12:53:28,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:28,753 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:53:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:28,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:53:28,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:53:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:53:28,889 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:53:28,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 84 transitions. Complement of second has 6 states. [2022-11-16 12:53:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:53:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:53:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-16 12:53:28,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 12:53:28,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:28,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 3 letters. [2022-11-16 12:53:28,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:28,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 6 letters. [2022-11-16 12:53:28,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:53:28,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 84 transitions. [2022-11-16 12:53:28,930 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:53:28,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2022-11-16 12:53:28,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:53:28,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:53:28,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:53:28,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:28,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:53:28,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:53:28,931 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:53:28,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-16 12:53:28,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:53:28,932 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:53:28,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:53:28,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:53:28 BoogieIcfgContainer [2022-11-16 12:53:28,941 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:53:28,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:53:28,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:53:28,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:53:28,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:53:05" (3/4) ... [2022-11-16 12:53:28,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:53:28,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:53:28,948 INFO L158 Benchmark]: Toolchain (without parser) took 25052.23ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 104.1MB in the beginning and 67.0MB in the end (delta: 37.2MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,948 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:53:28,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.99ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 113.4MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.61ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 111.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,950 INFO L158 Benchmark]: Boogie Preprocessor took 29.35ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 109.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,951 INFO L158 Benchmark]: RCFGBuilder took 424.24ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 98.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,951 INFO L158 Benchmark]: BuchiAutomizer took 23928.14ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 98.6MB in the beginning and 67.0MB in the end (delta: 31.7MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-11-16 12:53:28,951 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 211.8MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:53:28,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.99ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 113.4MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.61ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 111.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.35ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 109.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.24ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 98.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 23928.14ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 98.6MB in the beginning and 67.0MB in the end (delta: 31.7MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 211.8MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] and consists of 5 locations. One deterministic module has affine ranking function -1 * pass + n and consists of 3 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 6 locations. One nondeterministic module has affine ranking function -1 * x + -4 * i + 27670116110564327411 and consists of 10 locations. One nondeterministic module has affine ranking function -1 * pass + n + -1 * i and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.8s and 13 iterations. TraceHistogramMax:4. Analysis of lassos took 19.4s. Construction of modules took 0.7s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 57 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 520 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 159 mSDtfsCounter, 856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI1 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital301 mio100 ax108 hnf100 lsp89 ukn62 mio100 lsp59 div144 bol100 ite100 ukn100 eq159 hnf92 smp77 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:53:28,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:29,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:29,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-11-16 12:53:29,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-11-16 12:53:29,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-16 12:53:29,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:30,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669499d7-eca3-4c8b-bd5a-fcef933f7220/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE